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Batter's helmet
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Patent number D649715
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Issue date Nov 29, 2011
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Racer Sporting Goods Co., Ltd.
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Shyan-Wei Chen
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D29 - Equipment for safety, protection, and rescue
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Catcher helmet
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Patent number D628347
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Issue date Nov 30, 2010
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Racer Sporting Goods Co., Ltd.
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Shyan-Wei Chen
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D29 - Equipment for safety, protection, and rescue
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Football helmet shell
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Patent number D625050
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Issue date Oct 5, 2010
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Racer Sporting Goods Co., Ltd.
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Shyan-Wei Chen
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D29 - Equipment for safety, protection, and rescue